CVE-2026-63931

UnknownEPSS 0.21%

Last modified

CVE-2026-63931 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: fix division by zero in write_raw Add a zero check for val2 before using it as a divisor when setting the sampling frequency. A user writing a zero fractional part to the sampling_frequency sysfs attribute triggers a division by zero in the kernel.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: fix division by zero in write_raw Add a zero check for val2 before using it as a divisor when setting the sampling frequency. A user writing a zero fractional part to the sampling_frequency sysfs attribute triggers a division by zero in the kernel.

Metrics

EPSS Probability
0.21%

11.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 64b3d8b1b0f5c16c19045785e4da8391ae35ec99, < 4748bce423a363bb8a85a624faeb8f54fe331611; >= 64b3d8b1b0f5c16c19045785e4da8391ae35ec99, < 6308b812acdcac38cbfe1af0b1524c3375f408a5; >= 64b3d8b1b0f5c16c19045785e4da8391ae35ec99, < c7a740bf75554b051fabb17596ca6e483d6e6d90; >= 64b3d8b1b0f5c16c19045785e4da8391ae35ec99, < e85bc501947f5ae16dd9adc01162b76d55ab7962; >= 64b3d8b1b0f5c16c19045785e4da8391ae35ec99, < d98c2e69aab905d1b19a69ffe584efa46a9efd42; >= 64b3d8b1b0f5c16c19045785e4da8391ae35ec99, < 5e4d34092a5ebfbc3a45a180c76ecb1cdbbedd53; >= 64b3d8b1b0f5c16c19045785e4da8391ae35ec99, < 2c50c017df97bfb425038efdfb8514c7bcd08564; >= 64b3d8b1b0f5c16c19045785e4da8391ae35ec99, < 5aba4f94b225617a55fed442a70329b2ee19c0a5
LinuxLinux5.9

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-63931?
In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: fix division by zero in write_raw Add a zero check for val2 before using it as a divisor when setting the sampling frequency. A user writing a zero fractional part to the sampling_frequency sysfs attribute triggers a division by zero in the kernel.
How severe is CVE-2026-63931?
Severity scoring for CVE-2026-63931 is pending analysis. The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-63931?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST